A201780 - cp's OEIS frontend

A201780 Riordan array ((1-x)^2/(1-2x), x/(1-2x)).

n	a(n)
0	1
1	0
2	1
3	1
4	2
5	1
6	2
7	5
8	4
9	1
10	4
11	12
12	13
13	6
14	1
15	8
16	28
17	38
18	25
19	8
20	1
21	16
22	64
23	104
24	88
25	41
26	10
27	1
28	32
29	144
30	272
31	280
32	170
33	61
34	12
35	1
36	64
37	320
38	688
39	832
40	620
41	292
42	85
43	14
44	1
45	128
46	704
47	1696
48	2352
49	2072
50	1204
51	462
52	113
53	16
54	1

[1, 0, 1, 1, 2, 1, 2, 5, 4, 1, 4, 12, 13, 6, 1, 8, 28, 38, 25, 8, 1, 16, 64, 104, 88, 41, 10, 1, 32, 144, 272, 280, 170, 61, 12, 1, 64, 320, 688, 832, 620, 292, 85, 14, 1, 128, 704, 1696, 2352, 2072, 1204, 462, 113, 16, 1]

cp's OEIS Frontend

A201780 Riordan array ((1-x)^2/(1-2x), x/(1-2x)).

Table of values

List of values